Home / 75,119.04-103,667.76-41,585.76

Finding the Fourth Proportional to 75,119.04, 103,667.76 and 41,585.76

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Solution

The fourth proportional to 75,119.04, 103,667.76 and 41,585.76 is: 57,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,119.04 : 103,667.76 = 41,585.76 : x
  2. Step 2: Convert to fraction form
    75,119.04/103,667.76 = 41,585.76/x
  3. Step 3: Cross multiply
    75,119.04x = 103,667.76 × 41,585.76
  4. Step 4: Simplify right side
    75,119.04x = 4,311,102,587.10
  5. Step 5: Solve for x
    x = 4,311,102,587.10/75,119.04
  6. Step 6: Final answer
    x = 57,390.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.